The Radio Information Board

I guess I should just buy the manual, but....could someone please list the pinout of the 15 pin connector for the TK730? Or at least let me know what two pins are for the external speaker.

Thank you for any help, Dave.

Pins 13 and 14 are used for external spkr. if you want the internal spkr put a jumper in pins 9 and 12. Good Luck,